An item that translates linear displacements of a gas, liquid, or solids into comparable electrical signals for application to equipment, such as telemetric data transmitting set, indicator, recorder, dual air data sensors, and the like. Item can measure pneumatic pressures from pitot impact, pitot-static, and static pressure ports with sensors and convert the pressures to electrical signals. Does not include mechanical linkage, amplifier, or indicator. Excludes sensitive switches and other items that operate on an on-off principal, synchros, and potentiometric type computer devices. See also TRANSMITTER (as modified) and TRANSDUCER, SUPERSONIC TEST.